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Iodine is a nonmetallic halogen with the symbol I and atomic number 53. It has various oxidation states, forms compounds with many elements, and is essential for thyroid function. See its appearance, history, isotopes, and more on Wikipedia.
Learn about iodine, a black, shiny, crystalline solid with a purple vapour. Find out its discovery, biological role, natural abundance, uses, history and more on the periodic table.
Learn about iodine, a halogen element with atomic number 53 and symbol I. Find out its physical and chemical properties, history of discovery, applications in medicine and photography, and isotopes.
Ptable is a web-based interactive tool that allows you to explore the properties and isotopes of the elements. You can search by atomic number, element name, or symbol, and filter by series, block, scale, or decay mode.
Iodine is the 53rd element in the periodic table and has a symbol of I and atomic number of 53. It has an atomic weight of 126.90447 and a mass number of 127. Iodine has fifty-three protons and seventy-four neutrons in its nucleus, and fifty-three electrons in five shells.
5 wrz 2024 · iodine (I), chemical element, a member of the halogen elements, or Group 17 (Group VIIa) of the periodic table. History. In 1811 the French chemist Bernard Courtois obtained a violet vapor by heating seaweed ashes with sulfuric acid as a by-product of the manufacture of saltpeter.
Iodine belongs to halogen group in the periodic table. Iodine is an essential mineral commonly found in sea food. Iodine plays an important role in proper functioning of thyroid hormone in the human body.
